Basic HID keyboard funcionality. More testing is needed
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3260 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
parent
09107aa9ff
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f389facd71
@ -1423,13 +1423,14 @@
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* include/nuttx/usb -- rename usb_storage.h to storage.h.
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* arch/arm/src/lpc17xx/lpc17_usbhost.c -- Add support for low-speed devices.
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* drivers/usbhost/usbhost_skeleton.c -- Template for new class drivers
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* include/nuttx/usb/hid.h and drivers/usbhost/usbhost_hidkbd.c -- Initial
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files for HID keyboard support. These are mostly empty files on the
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initial checkin.
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* include/nuttx/usb/hid.h and drivers/usbhost/usbhost_hidkbd.c -- New
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files for HID keyboard support.
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* arch/arm/src/lpc17xx/lpc17_usbhost.c -- Will now handle multiple
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concurrent transfers on different endpoints (still only one TD per
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endpoint). All methods are protected from re-entrancy; lots of re-
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structuring in preparation for interrupt endpoint support.
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* arch/arm/src/lpc17xx/lpc17_usbhost.c -- Add support for periodic
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interrupt transfers.
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* examples/hidkbd - Added a simple test for the USB host HID keyboard
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class driver.
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* configs/olimex-lpc1766stk/hidkbd - Added a configuration to build the
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@ -8,7 +8,7 @@
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<tr align="center" bgcolor="#e4e4e4">
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<td>
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<h1><big><font color="#3c34ec"><i>NuttX RTOS</i></font></big></h1>
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<p>Last Updated: January 15, 2011</p>
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<p>Last Updated: January 18, 2011</p>
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</td>
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</tr>
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</table>
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@ -547,7 +547,7 @@
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<td><br></td>
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<td>
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<p>
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<li>Device-dependent USB class drivers available for USB mass storage.</li>
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<li>Device-dependent USB class drivers available for USB mass storage and HID keyboard.</li>
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</p>
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</tr>
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@ -2104,17 +2104,18 @@ nuttx-5.17 2011-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>
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* include/nuttx/usb -- rename usb_storage.h to storage.h.
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* arch/arm/src/lpc17xx/lpc17_usbhost.c -- Add support for low-speed devices.
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* drivers/usbhost/usbhost_skeleton.c -- Template for new class drivers
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* include/nuttx/usb/hid.h and drivers/usbhost/usbhost_hidkbd.c -- Initial
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files for HID keyboard support. These are mostly empty files on the
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initial checkin.
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* arch/arm/src/lpc17xx/lpc17_usbhost.c -- Will now handle multiple
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concurrent transfers on different endpoints (still only one TD per
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endpoint). All methods are protected from re-entrancy; lots of re-
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structuring in preparation for interrupt endpoint support.
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* examples/hidkbd - Added a simple test for the USB host HID keyboard
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class driver.
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* configs/olimex-lpc1766stk/hidkbd - Added a configuration to build the
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USB host HID keyboard class driver test for the LPC17xx.
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* include/nuttx/usb/hid.h and drivers/usbhost/usbhost_hidkbd.c -- New
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files for HID keyboard support.
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* arch/arm/src/lpc17xx/lpc17_usbhost.c -- Will now handle multiple
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concurrent transfers on different endpoints (still only one TD per
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endpoint). All methods are protected from re-entrancy; lots of re-
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structuring in preparation for interrupt endpoint support.
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* arch/arm/src/lpc17xx/lpc17_usbhost.c -- Add support for periodic
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interrupt transfers.
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* examples/hidkbd - Added a simple test for the USB host HID keyboard
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class driver.
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* configs/olimex-lpc1766stk/hidkbd - Added a configuration to build the
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USB host HID keyboard class driver test for the LPC17xx.
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pascal-2.1 2010-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>
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@ -48,6 +48,7 @@
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#include <poll.h>
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#include <semaphore.h>
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#include <time.h>
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#include <fcntl.h>
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#include <assert.h>
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#include <errno.h>
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#include <debug.h>
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@ -106,6 +107,10 @@
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# define CONFIG_USBHID_BUFSIZE 64
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#endif
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#ifndef CONFIG_USBHID_NPOLLWAITERS
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# define CONFIG_USBHID_NPOLLWAITERS 2
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#endif
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/* The default is to support scancode mapping for the standard 104 key
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* keyboard. Setting CONFIG_USBHID_RAWSCANCODES will disable all scancode
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* mapping; Setting CONFIG_USBHID_ALLSCANCODES will enable mapping of all
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@ -161,10 +166,12 @@ struct usbhost_state_s
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char devchar; /* Character identifying the /dev/kbd[n] device */
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volatile bool disconnected; /* TRUE: Device has been disconnected */
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volatile bool polling; /* TRUE: Poll thread is running */
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bool open; /* TRUE: The keyboard device is open */
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volatile bool open; /* TRUE: The keyboard device is open */
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volatile bool waiting; /* TRUE: waiting for keyboard data */
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uint8_t ifno; /* Interface number */
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int16_t crefs; /* Reference count on the driver instance */
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sem_t exclsem; /* Used to maintain mutual exclusive access */
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sem_t waitsem; /* Used to wait for keyboard data */
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FAR uint8_t *tbuffer; /* The allocated transfer buffer */
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size_t tbuflen; /* Size of the allocated transfer buffer */
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pid_t pollpid; /* PID of the poll task */
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@ -185,11 +192,20 @@ struct usbhost_state_s
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usbhost_ep_t epin; /* Interrupt IN endpoint */
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usbhost_ep_t epout; /* Optional interrupt OUT endpoint */
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/* The following is a list if poll structures of threads waiting for
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* driver events. The 'struct pollfd' reference for each open is also
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* retained in the f_priv field of the 'struct file'.
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*/
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#ifndef CONFIG_DISABLE_POLL
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struct pollfd *fds[CONFIG_USBHID_NPOLLWAITERS];
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#endif
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/* Buffer used to collect and buffer incoming keyboard characters */
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uint16_t headndx; /* Buffer head index */
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uint16_t tailndx; /* Buffer tail index */
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uint8_t buffer[CONFIG_USBHID_BUFSIZE];
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volatile uint16_t headndx; /* Buffer head index */
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volatile uint16_t tailndx; /* Buffer tail index */
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uint8_t kbdbuffer[CONFIG_USBHID_BUFSIZE];
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};
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/****************************************************************************
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@ -201,6 +217,14 @@ struct usbhost_state_s
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static void usbhost_takesem(sem_t *sem);
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#define usbhost_givesem(s) sem_post(s);
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/* Polling support */
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#ifndef CONFIG_DISABLE_POLL
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static void usbhost_pollnotify(FAR struct usbhost_state_s *dev);
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#else
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# define usbhost_pollnotify(dev)
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#endif
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/* Memory allocation services */
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static inline FAR struct usbhost_state_s *usbhost_allocclass(void);
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@ -321,71 +345,71 @@ static struct usbhost_state_s *g_priv; /* Data passed to thread */
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#ifndef CONFIG_USBHID_RAWSCANCODES
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static const uint8_t ucmap[USBHID_NUMSCANCODES] =
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{
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0, 0, 0, 0, 'A', 'B', 'C', 'D', /* 0x00-0x07: Reserved, errors, A-D */
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'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', /* 0x08-0x0f: E-L */
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'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', /* 0x10-0x17: M-T */
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'U', 'V', 'W', 'X', 'Y', 'Z', '!', '@', /* 0x18-0x1f: U-Z,!,@ */
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'#', '$', '%', '^', '&', '*', '(', ')', /* 0x20-0x27: #,$,%,^,&,*,(,) */
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'\n', '\033', '\177', 0, ' ', '_', '+', '{', /* 0x28-0x2f: Enter,escape,del,back-tab,space,_,+,{ */
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'}', '|', 0, ':', '"', 0, '<', '>', /* 0x30-0x37: },|,Non-US tilde,:,",grave tidle,<,> */
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'?', 0, 0, 0, 0, 0, 0, 0, /* 0x38-0x3f: /,CapsLock,F1,F2,F3,F4,F5,F6 */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0x40-0x47: F7,F8,F9,F10,F11,F12,PrtScn,sScrollLock */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0x48-0x4f: Pause,Insert,Home,PageUp,DeleteForward,End,PageDown,RightArrow */
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0, 0, 0, 0, '/', '*', '-', '+', /* 0x50-0x57: LeftArrow,DownArrow,UpArrow,Num Lock,/,*,-,+ */
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'\n', '1', '2', '3', '4', '4', '6', '7', /* 0x58-0x5f: Enter,1-7 */
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'8', '9', '0', '.', 0, 0, 0, '=', /* 0x60-0x67: 8-9,0,.,Non-US \,Application,Power,= */
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0, 0, 0, 0, 'A', 'B', 'C', 'D', /* 0x00-0x07: Reserved, errors, A-D */
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'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', /* 0x08-0x0f: E-L */
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'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', /* 0x10-0x17: M-T */
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'U', 'V', 'W', 'X', 'Y', 'Z', '!', '@', /* 0x18-0x1f: U-Z,!,@ */
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'#', '$', '%', '^', '&', '*', '(', ')', /* 0x20-0x27: #,$,%,^,&,*,(,) */
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'\n', '\033', '\177', 0, ' ', '_', '+', '{', /* 0x28-0x2f: Enter,escape,del,back-tab,space,_,+,{ */
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'}', '|', 0, ':', '"', 0, '<', '>', /* 0x30-0x37: },|,Non-US tilde,:,",grave tidle,<,> */
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'?', 0, 0, 0, 0, 0, 0, 0, /* 0x38-0x3f: /,CapsLock,F1,F2,F3,F4,F5,F6 */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0x40-0x47: F7,F8,F9,F10,F11,F12,PrtScn,sScrollLock */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0x48-0x4f: Pause,Insert,Home,PageUp,DeleteForward,End,PageDown,RightArrow */
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0, 0, 0, 0, '/', '*', '-', '+', /* 0x50-0x57: LeftArrow,DownArrow,UpArrow,Num Lock,/,*,-,+ */
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'\n', '1', '2', '3', '4', '4', '6', '7', /* 0x58-0x5f: Enter,1-7 */
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'8', '9', '0', '.', 0, 0, 0, '=', /* 0x60-0x67: 8-9,0,.,Non-US \,Application,Power,= */
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#ifdef CONFIG_USBHID_ALLSCANCODES
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0, 0, 0, 0, 0, 0, 0, 0, /* 0x68-0x6f: F13,F14,F15,F16,F17,F18,F19,F20 */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0x70-0x77: F21,F22,F23,F24,Execute,Help,Menu,Select */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0x78-0x7f: Stop,Again,Undo,Cut,Copy,Paste,Find,Mute */
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0, 0, 0, 0, 0, ',', 0, 0, /* 0x80-0x87: VolUp,VolDown,LCapsLock,lNumLock,LScrollLock,,,=,International1 */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0x88-0x8f: International 2-9 */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0x90-0x97: LAN 1-8 */
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0, 0, 0, 0, 0, 0, '\n', 0, /* 0x98-0x9f: LAN 9,Ease,SysReq,Cancel,Clear,Prior,Return,Separator */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0xa0-0xa7: Out,Oper,Clear,CrSel,Excel,(reserved) */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0xa8-0xaf: (reserved) */
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0, 0, 0, 0, 0, 0, '(', ')', /* 0xb0-0xb7: 00,000,ThouSeparator,DecSeparator,CurrencyUnit,SubUnit,(,) */
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'{', '}', '\t', \177, 'A', 'B', 'C', 'D', /* 0xb8-0xbf: {,},tab,backspace,A-D */
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'F', 'F', 0, '^', '%', '<', '>', '&', /* 0xc0-0xc7: E-F,XOR,^,%,<,>,& */
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0, '|', 0, ':', '%', ' ', '@', '!', /* 0xc8-0xcf: &&,|,||,:,#, ,@,! */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0xd0-0xd7: Memory Store,Recall,Clear,Add,Subtract,Muliply,Divide,+/- */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0xd8-0xdf: Clear,ClearEntry,Binary,Octal,Decimal,Hexadecimal */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0xe0-0xe7: Left Ctrl,Shift,Alt,GUI, Right Ctrl,Shift,Alt,GUI */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0x68-0x6f: F13,F14,F15,F16,F17,F18,F19,F20 */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0x70-0x77: F21,F22,F23,F24,Execute,Help,Menu,Select */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0x78-0x7f: Stop,Again,Undo,Cut,Copy,Paste,Find,Mute */
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0, 0, 0, 0, 0, ',', 0, 0, /* 0x80-0x87: VolUp,VolDown,LCapsLock,lNumLock,LScrollLock,,,=,International1 */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0x88-0x8f: International 2-9 */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0x90-0x97: LAN 1-8 */
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0, 0, 0, 0, 0, 0, '\n', 0, /* 0x98-0x9f: LAN 9,Ease,SysReq,Cancel,Clear,Prior,Return,Separator */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0xa0-0xa7: Out,Oper,Clear,CrSel,Excel,(reserved) */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0xa8-0xaf: (reserved) */
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0, 0, 0, 0, 0, 0, '(', ')', /* 0xb0-0xb7: 00,000,ThouSeparator,DecSeparator,CurrencyUnit,SubUnit,(,) */
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'{', '}', '\t', \177, 'A', 'B', 'C', 'D', /* 0xb8-0xbf: {,},tab,backspace,A-D */
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'F', 'F', 0, '^', '%', '<', '>', '&', /* 0xc0-0xc7: E-F,XOR,^,%,<,>,& */
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0, '|', 0, ':', '%', ' ', '@', '!', /* 0xc8-0xcf: &&,|,||,:,#, ,@,! */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0xd0-0xd7: Memory Store,Recall,Clear,Add,Subtract,Muliply,Divide,+/- */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0xd8-0xdf: Clear,ClearEntry,Binary,Octal,Decimal,Hexadecimal */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0xe0-0xe7: Left Ctrl,Shift,Alt,GUI, Right Ctrl,Shift,Alt,GUI */
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#endif
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};
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static const uint8_t lcmap[USBHID_NUMSCANCODES] =
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{
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0, 0, 0, 0, 'a', 'b', 'c', 'd', /* 0x00-0x07: Reserved, errors, a-d */
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'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', /* 0x08-0x0f: e-l */
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'm', 'n', 'o', 'p', 'q', 'r', 's', 't', /* 0x10-0x17: m-t */
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'u', 'v', 'w', 'x', 'y', 'z', '1', '2', /* 0x18-0x1f: u-z,1-2 */
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'3', '4', '5', '6', '7', '8', '9', '0', /* 0x20-0x27: 3-9,0 */
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'\n', '\033', '\177', '\t', ' ', '-', '=', '[', /* 0x28-0x2f: Enter,escape,del,tab,space,-,=,[ */
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']', '\\', '\234', ';', '\'', 0, ',', '.', /* 0x30-0x37: ],\,Non-US pound,;,',grave accent,,,. */
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'/', 0, 0, 0, 0, 0, 0, 0, /* 0x38-0x3f: /,CapsLock,F1,F2,F3,F4,F5,F6 */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0x40-0x47: F7,F8,F9,F10,F11,F12,PrtScn,ScrollLock */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0x48-0x4f: Pause,Insert,Home,PageUp,DeleteForward,End,PageDown,RightArrow */
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0, 0, 0, 0, '/', '*', '-', '+', /* 0x50-0x57: LeftArrow,DownArrow,UpArrow,Num Lock,/,*,-,+ */
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'\n', '1', '2', '3', '4', '4', '6', '7', /* 0x58-0x5f: Enter,1-7 */
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'8', '9', '0', '.', 0, 0, 0, '=', /* 0x60-0x67: 8-9,0,.,Non-US \,Application,Power,= */
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0, 0, 0, 0, 'a', 'b', 'c', 'd', /* 0x00-0x07: Reserved, errors, a-d */
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'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', /* 0x08-0x0f: e-l */
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'm', 'n', 'o', 'p', 'q', 'r', 's', 't', /* 0x10-0x17: m-t */
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'u', 'v', 'w', 'x', 'y', 'z', '1', '2', /* 0x18-0x1f: u-z,1-2 */
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'3', '4', '5', '6', '7', '8', '9', '0', /* 0x20-0x27: 3-9,0 */
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'\n', '\033', '\177', '\t', ' ', '-', '=', '[', /* 0x28-0x2f: Enter,escape,del,tab,space,-,=,[ */
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']', '\\', '\234', ';', '\'', 0, ',', '.', /* 0x30-0x37: ],\,Non-US pound,;,',grave accent,,,. */
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'/', 0, 0, 0, 0, 0, 0, 0, /* 0x38-0x3f: /,CapsLock,F1,F2,F3,F4,F5,F6 */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0x40-0x47: F7,F8,F9,F10,F11,F12,PrtScn,ScrollLock */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0x48-0x4f: Pause,Insert,Home,PageUp,DeleteForward,End,PageDown,RightArrow */
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0, 0, 0, 0, '/', '*', '-', '+', /* 0x50-0x57: LeftArrow,DownArrow,UpArrow,Num Lock,/,*,-,+ */
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'\n', '1', '2', '3', '4', '4', '6', '7', /* 0x58-0x5f: Enter,1-7 */
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'8', '9', '0', '.', 0, 0, 0, '=', /* 0x60-0x67: 8-9,0,.,Non-US \,Application,Power,= */
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#ifdef CONFIG_USBHID_ALLSCANCODES
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0, 0, 0, 0, 0, 0, 0, 0, /* 0x68-0x6f: F13,F14,F15,F16,F17,F18,F19,F20 */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0x70-0x77: F21,F22,F23,F24,Execute,Help,Menu,Select */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0x78-0x7f: Stop,Again,Undo,Cut,Copy,Paste,Find,Mute */
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0, 0, 0, 0, 0, ',', 0, 0, /* 0x80-0x87: VolUp,VolDown,LCapsLock,lNumLock,LScrollLock,,,=,International1 */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0x88-0x8f: International 2-9 */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0x90-0x97: LAN 1-8 */
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0, 0, 0, 0, 0, 0, '\n', 0, /* 0x98-0x9f: LAN 9,Ease,SysReq,Cancel,Clear,Prior,Return,Separator */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0xa0-0xa7: Out,Oper,Clear,CrSel,Excel,(reserved) */
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0, 0, 0, 0, 0, 0, 0, 0, /* 0xa8-0xaf: (reserved) */
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0, 0, 0, 0, 0, 0, '(', ')', /* 0xb0-0xb7: 00,000,ThouSeparator,DecSeparator,CurrencyUnit,SubUnit,(,) */
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'{', '}', '\t', '\177', 'A', 'B', 'C', 'D', /* 0xb8-0xbf: {,},tab,backspace,A-D */
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'F', 'F', 0, '^', '%', '<', '>', '&', /* 0xc0-0xc7: E-F,XOR,^,%,<,>,& */
|
||||
0, '|', 0, ':', '%', ' ', '@', '!', /* 0xc8-0xcf: &&,|,||,:,#, ,@,! */
|
||||
0, 0, 0, 0, 0, 0, 0, 0, /* 0xd0-0xd7: Memory Store,Recall,Clear,Add,Subtract,Muliply,Divide,+/- */
|
||||
0, 0, 0, 0, 0, 0, 0, 0, /* 0xd8-0xdf: Clear,ClearEntry,Binary,Octal,Decimal,Hexadecimal */
|
||||
0, 0, 0, 0, 0, 0, 0, 0, /* 0xe0-0xe7: Left Ctrl,Shift,Alt,GUI, Right Ctrl,Shift,Alt,GUI */
|
||||
0, 0, 0, 0, 0, 0, 0, 0, /* 0x68-0x6f: F13,F14,F15,F16,F17,F18,F19,F20 */
|
||||
0, 0, 0, 0, 0, 0, 0, 0, /* 0x70-0x77: F21,F22,F23,F24,Execute,Help,Menu,Select */
|
||||
0, 0, 0, 0, 0, 0, 0, 0, /* 0x78-0x7f: Stop,Again,Undo,Cut,Copy,Paste,Find,Mute */
|
||||
0, 0, 0, 0, 0, ',', 0, 0, /* 0x80-0x87: VolUp,VolDown,LCapsLock,lNumLock,LScrollLock,,,=,International1 */
|
||||
0, 0, 0, 0, 0, 0, 0, 0, /* 0x88-0x8f: International 2-9 */
|
||||
0, 0, 0, 0, 0, 0, 0, 0, /* 0x90-0x97: LAN 1-8 */
|
||||
0, 0, 0, 0, 0, 0, '\n', 0, /* 0x98-0x9f: LAN 9,Ease,SysReq,Cancel,Clear,Prior,Return,Separator */
|
||||
0, 0, 0, 0, 0, 0, 0, 0, /* 0xa0-0xa7: Out,Oper,Clear,CrSel,Excel,(reserved) */
|
||||
0, 0, 0, 0, 0, 0, 0, 0, /* 0xa8-0xaf: (reserved) */
|
||||
0, 0, 0, 0, 0, 0, '(', ')', /* 0xb0-0xb7: 00,000,ThouSeparator,DecSeparator,CurrencyUnit,SubUnit,(,) */
|
||||
'{', '}', '\t', '\177', 'A', 'B', 'C', 'D', /* 0xb8-0xbf: {,},tab,backspace,A-D */
|
||||
'F', 'F', 0, '^', '%', '<', '>', '&', /* 0xc0-0xc7: E-F,XOR,^,%,<,>,& */
|
||||
0, '|', 0, ':', '%', ' ', '@', '!', /* 0xc8-0xcf: &&,|,||,:,#, ,@,! */
|
||||
0, 0, 0, 0, 0, 0, 0, 0, /* 0xd0-0xd7: Memory Store,Recall,Clear,Add,Subtract,Muliply,Divide,+/- */
|
||||
0, 0, 0, 0, 0, 0, 0, 0, /* 0xd8-0xdf: Clear,ClearEntry,Binary,Octal,Decimal,Hexadecimal */
|
||||
0, 0, 0, 0, 0, 0, 0, 0, /* 0xe0-0xe7: Left Ctrl,Shift,Alt,GUI, Right Ctrl,Shift,Alt,GUI */
|
||||
#endif
|
||||
};
|
||||
#endif /* CONFIG_USBHID_RAWSCANCODES */
|
||||
@ -417,6 +441,31 @@ static void usbhost_takesem(sem_t *sem)
|
||||
}
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: usbhost_pollnotify
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef CONFIG_DISABLE_POLL
|
||||
static void usbhost_pollnotify(FAR struct usbhost_state_s *priv)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < CONFIG_USBHID_NPOLLWAITERS; i++)
|
||||
{
|
||||
struct pollfd *fds = priv->fds[i];
|
||||
if (fds)
|
||||
{
|
||||
fds->revents |= (fds->events & POLLIN);
|
||||
if (fds->revents != 0)
|
||||
{
|
||||
uvdbg("Report events: %02x\n", fds->revents);
|
||||
sem_post(fds->sem);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Name: usbhost_allocclass
|
||||
*
|
||||
@ -572,6 +621,7 @@ static void usbhost_destroy(FAR void *arg)
|
||||
/* Destroy the semaphores */
|
||||
|
||||
sem_destroy(&priv->exclsem);
|
||||
sem_destroy(&priv->waitsem);
|
||||
|
||||
/* Disconnect the USB host device */
|
||||
|
||||
@ -646,7 +696,7 @@ static int usbhost_kbdpoll(int argc, char *argv[])
|
||||
{
|
||||
FAR struct usbhost_state_s *priv;
|
||||
FAR struct usb_ctrlreq_s *ctrlreq;
|
||||
#ifdef CONFIG_DEBUG_USB
|
||||
#if defined(CONFIG_DEBUG_USB) && defined(CONFIG_DEBUG_VERBOSE)
|
||||
unsigned int npolls = 0;
|
||||
#endif
|
||||
unsigned int nerrors;
|
||||
@ -685,9 +735,9 @@ static int usbhost_kbdpoll(int argc, char *argv[])
|
||||
|
||||
/* Format the HID report request:
|
||||
*
|
||||
* bmRequestType 10000001
|
||||
* bRequest GET_DESCRIPTOR (0x06)
|
||||
* wValue Descriptor Type and Descriptor Index
|
||||
* bmRequestType 10100001
|
||||
* bRequest GET_REPORT (0x01)
|
||||
* wValue Report Type and Report Index
|
||||
* wIndex Interface Number
|
||||
* wLength Descriptor Length
|
||||
* Data Descriptor Data
|
||||
@ -729,7 +779,7 @@ static int usbhost_kbdpoll(int argc, char *argv[])
|
||||
|
||||
else if (priv->open)
|
||||
{
|
||||
struct usbhid_kbdreport_s *rpt = (struct usbhid_kbdreport_s *)priv->buffer;
|
||||
struct usbhid_kbdreport_s *rpt = (struct usbhid_kbdreport_s *)priv->tbuffer;
|
||||
unsigned int head;
|
||||
unsigned int tail;
|
||||
uint8_t ascii;
|
||||
@ -745,7 +795,7 @@ static int usbhost_kbdpoll(int argc, char *argv[])
|
||||
{
|
||||
/* Is this key pressed? */
|
||||
|
||||
if (rpt->key[i] == USBHID_KBDUSE_NONE)
|
||||
if (rpt->key[i] != USBHID_KBDUSE_NONE)
|
||||
{
|
||||
/* Yes.. Add it to the buffer. */
|
||||
|
||||
@ -768,7 +818,7 @@ static int usbhost_kbdpoll(int argc, char *argv[])
|
||||
* a valid, NUL character.
|
||||
*/
|
||||
|
||||
if ((rpt->modifier & (USBHID_MODIFER_LSHIFT|USBHID_MODIFER_RSHIFT)) != 0)
|
||||
if ((rpt->modifier & (USBHID_MODIFER_LCTRL|USBHID_MODIFER_RCTRL)) != 0)
|
||||
{
|
||||
ascii &= 0x1f;
|
||||
}
|
||||
@ -777,7 +827,7 @@ static int usbhost_kbdpoll(int argc, char *argv[])
|
||||
* buffer.
|
||||
*/
|
||||
|
||||
priv->buffer[head] = ascii;
|
||||
priv->kbdbuffer[head] = ascii;
|
||||
|
||||
/* Increment the head index */
|
||||
|
||||
@ -802,6 +852,25 @@ static int usbhost_kbdpoll(int argc, char *argv[])
|
||||
}
|
||||
}
|
||||
|
||||
/* Did we just transition from no data available to data available? */
|
||||
|
||||
if (head != tail && priv->headndx == priv->tailndx)
|
||||
{
|
||||
/* Yes.. Is there a thread waiting for keyboard data now? */
|
||||
|
||||
if (priv->waiting)
|
||||
{
|
||||
/* Yes.. wake it up */
|
||||
|
||||
usbhost_givesem(&priv->waitsem);
|
||||
priv->waiting = false;
|
||||
}
|
||||
|
||||
/* And wake up any threads waiting for the POLLIN event */
|
||||
|
||||
usbhost_pollnotify(priv);
|
||||
}
|
||||
|
||||
/* Update the head/tail indices */
|
||||
|
||||
priv->headndx = head;
|
||||
@ -813,9 +882,9 @@ static int usbhost_kbdpoll(int argc, char *argv[])
|
||||
* polling is still happening.
|
||||
*/
|
||||
|
||||
#ifdef CONFIG_DEBUG_USB
|
||||
#if defined(CONFIG_DEBUG_USB) && defined(CONFIG_DEBUG_VERBOSE)
|
||||
npolls++;
|
||||
if (!(npolls & ~31) == 0)
|
||||
if ((npolls & 31) == 0)
|
||||
{
|
||||
udbg("Still polling: %d\n", npolls);
|
||||
}
|
||||
@ -1193,7 +1262,7 @@ static inline int usbhost_devinit(FAR struct usbhost_state_s *priv)
|
||||
|
||||
uvdbg("Register driver\n");
|
||||
usbhost_mkdevname(priv, devname);
|
||||
ret = register_driver(devname, &usbhost_fops, 0666, NULL);
|
||||
ret = register_driver(devname, &usbhost_fops, 0666, priv);
|
||||
|
||||
/* We now have to be concerned about asynchronous modification of crefs
|
||||
* because the driver has been registerd.
|
||||
@ -1400,9 +1469,10 @@ static FAR struct usbhost_class_s *usbhost_create(FAR struct usbhost_driver_s *d
|
||||
|
||||
priv->crefs = 1;
|
||||
|
||||
/* Initialize semphores (this works okay in the interrupt context) */
|
||||
/* Initialize semaphores */
|
||||
|
||||
sem_init(&priv->exclsem, 0, 1);
|
||||
sem_init(&priv->waitsem, 0, 0);
|
||||
|
||||
/* Bind the driver to the storage class instance */
|
||||
|
||||
@ -1530,6 +1600,16 @@ static int usbhost_disconnected(struct usbhost_class_s *class)
|
||||
priv->disconnected = true;
|
||||
ullvdbg("Disconnected\n");
|
||||
|
||||
/* Is there a thread waiting for keyboard data that will never come? */
|
||||
|
||||
if (priv->waiting)
|
||||
{
|
||||
/* Yes.. wake it up */
|
||||
|
||||
usbhost_givesem(&priv->waitsem);
|
||||
priv->waiting = false;
|
||||
}
|
||||
|
||||
/* Possibilities:
|
||||
*
|
||||
* - Failure occurred before the kbdpoll task was started successfully.
|
||||
@ -1588,7 +1668,7 @@ static int usbhost_open(FAR struct file *filep)
|
||||
|
||||
/* Make sure that we have exclusive access to the private data structure */
|
||||
|
||||
DEBUGASSERT(priv->crefs > 0 && priv->crefs < USBHOST_MAX_CREFS);
|
||||
DEBUGASSERT(priv && priv->crefs > 0 && priv->crefs < USBHOST_MAX_CREFS);
|
||||
usbhost_takesem(&priv->exclsem);
|
||||
|
||||
/* Check if the keyboard device is still connected. We need to disable
|
||||
@ -1727,6 +1807,37 @@ static ssize_t usbhost_read(FAR struct file *filep, FAR char *buffer, size_t len
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Is there keyboard data now? */
|
||||
|
||||
while (priv->tailndx == priv->headndx)
|
||||
{
|
||||
/* No.. were we open non-blocking? */
|
||||
|
||||
if (filep->f_oflags & O_NONBLOCK)
|
||||
{
|
||||
/* Yes.. then return a failure */
|
||||
|
||||
ret = -EAGAIN;
|
||||
goto errout;
|
||||
}
|
||||
|
||||
/* Wait for data to be available */
|
||||
|
||||
uvdbg("Waiting...\n");
|
||||
priv->waiting = true;
|
||||
usbhost_givesem(&priv->exclsem);
|
||||
usbhost_takesem(&priv->waitsem);
|
||||
usbhost_takesem(&priv->exclsem);
|
||||
|
||||
/* Did the keyboard become disconnected while we were waiting */
|
||||
|
||||
if (priv->disconnected)
|
||||
{
|
||||
ret = -ENODEV;
|
||||
goto errout;
|
||||
}
|
||||
}
|
||||
|
||||
/* Read data from our internal buffer of received characters */
|
||||
|
||||
for (tail = priv->tailndx, nbytes = 0;
|
||||
@ -1735,7 +1846,7 @@ static ssize_t usbhost_read(FAR struct file *filep, FAR char *buffer, size_t len
|
||||
{
|
||||
/* Copy the next keyboard character into the user buffer */
|
||||
|
||||
*buffer += priv->buffer[tail];
|
||||
*buffer++ = priv->kbdbuffer[tail];
|
||||
|
||||
/* Handle wrap-around of the tail index */
|
||||
|
||||
@ -1751,6 +1862,7 @@ static ssize_t usbhost_read(FAR struct file *filep, FAR char *buffer, size_t len
|
||||
priv->tailndx = tail;
|
||||
}
|
||||
|
||||
errout:
|
||||
usbhost_givesem(&priv->exclsem);
|
||||
return (ssize_t)ret;
|
||||
}
|
||||
@ -1782,15 +1894,86 @@ static ssize_t usbhost_write(FAR struct file *filep, FAR const char *buffer, siz
|
||||
static int usbhost_poll(FAR struct file *filep, FAR struct pollfd *fds,
|
||||
bool setup)
|
||||
{
|
||||
if (setup)
|
||||
FAR struct inode *inode;
|
||||
FAR struct usbhost_state_s *priv;
|
||||
int ret = OK;
|
||||
int i;
|
||||
|
||||
uvdbg("Entry\n");
|
||||
DEBUGASSERT(filep && filep->f_inode && fds);
|
||||
inode = filep->f_inode;
|
||||
priv = inode->i_private;
|
||||
|
||||
/* Make sure that we have exclusive access to the private data structure */
|
||||
|
||||
DEBUGASSERT(priv);
|
||||
usbhost_takesem(&priv->exclsem);
|
||||
|
||||
/* Check if the keyboard is still connected. We need to disable interrupts
|
||||
* momentarily to assure that there are no asynchronous disconnect events.
|
||||
*/
|
||||
|
||||
if (priv->disconnected)
|
||||
{
|
||||
fds->revents |= (fds->events & (POLLIN|POLLOUT));
|
||||
if (fds->revents != 0)
|
||||
/* No... the driver is no longer bound to the class. That means that
|
||||
* the USB keybaord is no longer connected. Refuse any further attempts
|
||||
* to access the driver.
|
||||
*/
|
||||
|
||||
ret = -ENODEV;
|
||||
}
|
||||
else if (setup)
|
||||
{
|
||||
/* This is a request to set up the poll. Find an availableslot for
|
||||
* the poll structure reference
|
||||
*/
|
||||
|
||||
for (i = 0; i < CONFIG_USBHID_NPOLLWAITERS; i++)
|
||||
{
|
||||
sem_post(fds->sem);
|
||||
/* Find an available slot */
|
||||
|
||||
if (!priv->fds[i])
|
||||
{
|
||||
/* Bind the poll structure and this slot */
|
||||
|
||||
priv->fds[i] = fds;
|
||||
fds->priv = &priv->fds[i];
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (i >= CONFIG_USBHID_NPOLLWAITERS)
|
||||
{
|
||||
fds->priv = NULL;
|
||||
ret = -EBUSY;
|
||||
goto errout;
|
||||
}
|
||||
|
||||
/* Should we immediately notify on any of the requested events? Notify
|
||||
* the POLLIN event if there is buffered keyboard data.
|
||||
*/
|
||||
|
||||
if (priv->headndx != priv->tailndx)
|
||||
{
|
||||
usbhost_pollnotify(priv);
|
||||
}
|
||||
}
|
||||
return OK;
|
||||
else
|
||||
{
|
||||
/* This is a request to tear down the poll. */
|
||||
|
||||
struct pollfd **slot = (struct pollfd **)fds->priv;
|
||||
DEBUGASSERT(slot);
|
||||
|
||||
/* Remove all memory of the poll setup */
|
||||
|
||||
*slot = NULL;
|
||||
fds->priv = NULL;
|
||||
}
|
||||
|
||||
errout:
|
||||
sem_post(&priv->exclsem);
|
||||
return ret;
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
@ -46,6 +46,7 @@
|
||||
#include <unistd.h>
|
||||
#include <fcntl.h>
|
||||
#include <sched.h>
|
||||
#include <errno.h>
|
||||
|
||||
#include <nuttx/usb/usbhost.h>
|
||||
|
||||
@ -200,10 +201,11 @@ int user_start(int argc, char *argv[])
|
||||
do
|
||||
{
|
||||
printf("Opening device %s\n", CONFIG_EXAMPLES_HIDKBD_DEVNAME);
|
||||
fflush(stdout);
|
||||
fd = open(CONFIG_EXAMPLES_HIDKBD_DEVNAME, O_RDONLY);
|
||||
if (fd < 0)
|
||||
{
|
||||
printf("Failed: %d\n", errno);
|
||||
fflush(stdout);
|
||||
sleep(3);
|
||||
}
|
||||
}
|
||||
@ -228,7 +230,7 @@ int user_start(int argc, char *argv[])
|
||||
}
|
||||
while (nbytes >= 0);
|
||||
|
||||
printf("Closing device %s\n", CONFIG_EXAMPLES_HIDKBD_DEVNAME);
|
||||
printf("Closing device %s: %d\n", CONFIG_EXAMPLES_HIDKBD_DEVNAME, (int)nbytes);
|
||||
fflush(stdout);
|
||||
close(fd);
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user